This works, but was just a stepping stone for me. I babysat this spool holder while it printed to start getting some larger, un-monitored prints going. Even with this spool holder, occasional under-extrusion leaves me with weak/skipped layers. I limped along with this spool holder until I managed a semi-successful Emmett Bearing based holder (https://www.thingiverse.com/thing:1816896) and now all my random under-extrusion issues are gone! yay! I'm super thankful for the roll ;) this part played in allowing me to make more complicated rollers.

Good length. The pin came out too large or the hole too small, but that's probably just my printer. The large surface area actually increased friction on my spools, especially if the spool's radius was smaller than that of arc, causing the spool to rest on the two edges. I'm going to try a ball bearing spool holder next.

This worked perfectly. There's a strong level of irony that my first real 3D print (that wasn't one of the demo items) was to correct what I consider to be a design flaw in my first 3D printer! I need to smooth it down because it has more friction than the PVC pipe segment that I rigged up initially, but otherwise this holds the Monoprice 1 kg spools beautifully!

It's well sized for one of my spools, but several of the others have too small of an internal diameter for it to sit properly and it just ended up rotating 90 degrees so one side was pointed up. I'll probably go back and forth depending on which spool I'm using.

Works great! Printed on a Maker Select Plus. with Monoprice PLA filament at 200' C. Used a raft only because I've had the best results with using them and use them as a matter of course on all prints. Not sure why the printer doesn't come with one of these from the manufacturer or at least include the .gcode on the SD card that comes with it. Highly recommended!

Printed one of these bad boys from PLA for my Maker Select V2 today and it works perfectly! .2mm line height, 1.2 shell width, .6mm top/bottom and 25% infill plenty strong, probably could have went with 10 - 20%. No need for supports or raft. highly recommend this design fixed the problem of the stock spool holder have too much tension causing my layers to separate. Used Hatchbox PLA filament at 215 C

Awesome,
I'm new to 3d printing and in advance of the printer I bought some ABS. But the reels didn't fit. And the sample PLA they send isn't worth squat. But BestBuy did have some PLA for the Dremel. Hmmm, spool diameter too small. Cut dowel, invert stock spool holder and clamp.
This was my first 3d print ever. Since I did it in PLA I went heavy - .2mm line height, 7 shells, 5 top/bottoms, 50% infill with solid infills every 50 levels.

Excellent! I find it odd how my cheap spools from Amazon fit the stock spool holder but the spools from Monoprice didn't fit... You'd think they'd find filament spools which are compatible with the machines they sell. This is a great solution, thank you!

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